package com.my.code.sort;

/**
 * 工具类
 *
 * @author zzl
 * @date 2020/10/16
 */
public class Util {

    public static void swap(int[] arr, int i, int j) {
        int tmp = arr[i];
        arr[i] = arr[j];
        arr[j] = tmp;
    }
}
